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241
MASTER.ino
241
MASTER.ino
@ -9,42 +9,109 @@
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#define SPI_SCK 5
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#define SPI_SCK 5
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#define SPI_SS 2
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#define SPI_SS 2
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enum calculator_state
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{
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NUMBER_FIRST,
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NUMBER_SECOND,
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RESULT
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};
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enum calculator_op
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{
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NO_OP,
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ADD,
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SUB,
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DIV,
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MUL
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};
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struct calculator
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{
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// 1 число
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int num1;
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// 2 число
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int num2;
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// 3 операция
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enum calculator_op operation;
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// 4 результат
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double result;
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// 5 состояние атомата
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enum calculator_state state;
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};
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void output_on_display(struct calculator * calc) {
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char buffer[];
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size_t size_buffer;
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switch (state) {
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case NUMBER_FIRST:
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display_all_clear( 0, &buffer[0]);
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SPI_MasterTransmit(&buffer[0], size_buffer);
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displ1ay_add_simbol( , , &buffer[0]);
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SPI_MasterTransmit(&buffer[0], 1);
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break;
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case NUMBER_SECOND:
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display_all_clear();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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break;
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case RESULT:
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display_all_clear();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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display_draw_line();
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SPI_MasterTransmit(&buffer[0], )
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display_add_simbol();
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SPI_MasterTransmit(&buffer[0], )
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break;
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default:
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display_all_clear();
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}
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}
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void SPI_MasterInit(void)
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void SPI_MasterInit(void)
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{
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{
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/* Настройка MOSI и SCK как выход,
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/* Настройка MOSI и SCK как выход,
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все остальные сигналы как вход: */
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все остальные сигналы как вход: */
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SPI_DDRX = (1 << SPI_MOSI)|(1 << SPI_SCK)|(1<<SPI_SS)|(0<<SPI_MISO);
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SPI_DDRX = (1 << SPI_MOSI) | (1 << SPI_SCK) | (1 << SPI_SS) | (0 << SPI_MISO);
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/* Разрешить работу SPI, режим Master,
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/* Разрешить работу SPI, режим Master,
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установить скорость тактов fck/16: */
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установить скорость тактов fck/16: */
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SPCR = (1 << SPE)|(1 << MSTR)|(0<<CPOL)|(0<<CPHA)|(1 << SPR0);
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SPCR = (1 << SPE) | (1 << MSTR) | (0 << CPOL) | (0 << CPHA) | (1 << SPR0);
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SPI_PORTX |= (1 << SPI_SS);
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SPI_PORTX |= (1 << SPI_SS);
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}
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}
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void SPI_MasterTransmit(char* buffer, size_t length)
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void SPI_MasterTransmit(char* buffer, size_t length)
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{
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{
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SPI_PORTX &= ~(1 << SPI_SS);
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SPI_PORTX &= ~(1 << SPI_SS);
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for(int i=0; i<length; i++ ){
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for (int i = 0; i < length; i++ ) {
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SPDR = buffer[i];
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SPDR = buffer[i];
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while(!(SPSR & (1 << SPIF)));
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while (!(SPSR & (1 << SPIF)));
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Serial.println("Transmitede");
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Serial.println("Transmitede");
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delay(2000);
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delay(2000);
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}
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}
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SPI_PORTX |= (1 << SPI_SS);
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SPI_PORTX |= (1 << SPI_SS);
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}
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}
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byte crc8(byte *data, int length) {
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byte crc8(byte *data, int length) {
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byte crc = 0x00;
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byte crc = 0x00;
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byte poly = 0x07; //полином для CRC
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byte poly = 0x07; //полином для CRC
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for (int i=0; i<length-2; i++){
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for (int i = 0; i < length - 2; i++) {
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crc ^= data[i]; //XOR текущего байта с CRC
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crc ^= data[i]; //XOR текущего байта с CRC
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for (int j=0; j<length; j++) {
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for (int j = 0; j < length; j++) {
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if (crc & 0x80){ //если старший бит CRC равен 1
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if (crc & 0x80) { //если старший бит CRC равен 1
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crc = (crc << 1) ^ poly; //сдвигаем CRC на 1 бит влево и XOR с полиномом
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crc = (crc << 1) ^ poly; //сдвигаем CRC на 1 бит влево и XOR с полиномом
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}else{
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} else {
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crc <<= 1; //иначе просто сдвигаем на 1 бит влево
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crc <<= 1; //иначе просто сдвигаем на 1 бит влево
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}
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}
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}
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}
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@ -62,89 +129,97 @@ void setup() {
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void loop() {
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void loop() {
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char buffer[] = {'a', 't', 'g', '1', 0};
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char buffer[] = {'a', 't', 'g', '1', 0};
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for(int y=5; y<21; y++) {
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for (int y = 5; y < 21; y++) {
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buffer[0]=0x06;
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// buffer[0] = 0x06;
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buffer[1]=3;
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// buffer[1] = 3;
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buffer[2]=y;
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// buffer[2] = y;
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buffer[3]=0x01;
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// buffer[3] = 0x01;
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buffer[4]=crc8(&buffer[0], 4);
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// buffer[4] = crc8(&buffer[0], 4);
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SPI_MasterTransmit(&buffer[0], 5);
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SPI_MasterTransmit(&buffer[0], 5);
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}
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}
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}
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}
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size_t display_all_clear(char color, uint8_t* buffer){
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//очищение экранa
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buffer[0]=0x01;
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size_t display_all_clear(char color, uint8_t* buffer) {
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buffer[1]=color;
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buffer[0] = 0x01;
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buffer[2]=crc8(&buffer[0], 2);
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buffer[1] = color;
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return 3;
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buffer[2] = crc8(&buffer[0], 2);
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return 3;
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}
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}
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size_t display_set_page(char point, uint8_t* buffer){
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//выбор точки
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buffer[0]=0x02;
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size_t display_set_page(char point, uint8_t* buffer) {
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buffer[1]=point;
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buffer[0] = 0x02;
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buffer[2]=crc8(&buffer[0], 2);
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buffer[1] = point;
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return 3;
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buffer[2] = crc8(&buffer[0], 2);
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return 3;
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}
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}
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size_t display_add_simbol(char* str, size_t str_len, uint8_t* buffer){
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//добавление нового символа и его параметров
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size_t idx;
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size_t display_add_simbol(char* str, size_t str_len, uint8_t* buffer) {
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buffer[idx]=0x04;
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size_t idx;
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idx++;
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buffer[idx] = 0x04;
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for(int si=0; i<str_len; i++) {
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buffer[idx]=str;
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idx++;
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}
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buffer[idx]=crc8(&buffer[0], idx);
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idx++;
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idx++;
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return idx;
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for (int i = 0; i < str_len; i++) {
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buffer[idx] = str;
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idx++;
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}
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buffer[idx] = crc8(&buffer[0], idx);
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idx++;
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return idx;
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}
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}
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size_t display_del_simbol(char number, uint8_t* buffer){
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//удаление символа и его параметров
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buffer[0]=0x05;
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size_t display_del_simbol(char number, uint8_t* buffer) {
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buffer[1]=number;
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buffer[0] = 0x05;
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buffer[2]=crc8(&buffer[0], 2);
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buffer[1] = number;
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return 3;
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buffer[2] = crc8(&buffer[0], 2);
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return 3;
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}
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}
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size_t display_draw_pixel(char x,char y, char color, uint8_t* buffer){
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//закрашивание пикселя
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buffer[0]=0x06;
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size_t display_draw_pixel(char x, char y, char color, uint8_t* buffer) {
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buffer[1]=x;
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buffer[0] = 0x06;
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buffer[2]=y;
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buffer[1] = x;
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buffer[3]=color;
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buffer[2] = y;
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buffer[4]=crc8(&buffer[0], 4);
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buffer[3] = color;
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return 5;
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buffer[4] = crc8(&buffer[0], 4);
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return 5;
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}
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}
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size_t display_draw_line(char x1,char y1, char x2, char y2, char color, uint8_t* buffer){
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//рисует линию
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buffer[0]=0x07;
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size_t display_draw_line(char x1, char y1, char x2, char y2, char color, uint8_t* buffer) {
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buffer[1]=x1;
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buffer[0] = 0x07;
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buffer[2]=y1;
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buffer[1] = x1;
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buffer[3]=x2;
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buffer[2] = y1;
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buffer[4]=y2;
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buffer[3] = x2;
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buffer[5]=color;
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buffer[4] = y2;
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buffer[6]=crc8(&buffer[0], 6);
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buffer[5] = color;
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return 7;
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buffer[6] = crc8(&buffer[0], 6);
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return 7;
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}
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}
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size_t display_draw_circle(char x,char y, char r, char color, uint8_t* buffer){
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//рисует круг
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buffer[0]=0x08;
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size_t display_draw_circle(char x, char y, char r, char color, uint8_t* buffer) {
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buffer[1]=x;
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buffer[0] = 0x08;
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buffer[2]=y;
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buffer[1] = x;
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buffer[3]=r;
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buffer[2] = y;
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buffer[4]=color;
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buffer[3] = r;
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buffer[5]=crc8(&buffer[0], 5);
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buffer[4] = color;
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return 6;
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buffer[5] = crc8(&buffer[0], 5);
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return 6;
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}
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}
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size_t display_draw_rectangle(char x,char y, char height, char width, char color, uint8_t* buffer){
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//рисует прямоугольник
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buffer[0]=0x09;
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size_t display_draw_rectangle(char x, char y, char height, char width, char color, uint8_t* buffer) {
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buffer[1]=x;
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buffer[0] = 0x09;
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buffer[2]=y;
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buffer[1] = x;
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buffer[3]=height;
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buffer[2] = y;
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buffer[4]=widht;
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buffer[3] = height;
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buffer[5]=color;
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buffer[4] = widht;
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buffer[6]=crc8(&buffer[0], 6);
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buffer[5] = color;
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return 7;
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buffer[6] = crc8(&buffer[0], 6);
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return 7;
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}
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}
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